If you're evaluating copper peptide products, looking for formulations that disclose their AHK-Cu concentration, ideally in the 0.01 to 1 percent range , is a useful quality filter
In other words, sunflower lecithin is not the same as the sunflower oil you'd use in cooking
This gel creates a space inside the porous cavity to gradually nourish the skin, allowing it to last longer than conventional products, and enhancing the efficacy and effectiveness of functional cosmetics
L-Glutathione: L-Glutathione is a powerful antioxidant that helps lighten skin tone
This product is not intended for human consumption, medical, veterinary, or household use
10.1016/j.fertnstert.2014.12.104 38